Results 151 to 160 of about 430,021 (330)

SEISMIC UPGRADING OF TELECOMMUNICATION CENTER IN SKOPJE, NORTH MACEDONIA [PDF]

open access: bronze, 2023
Veronika Shendova   +6 more
openalex   +1 more source

Wavelength Tunable Pulsed Lasers Enabled by a Versatile Metafiber Functioning as Both Saturable Absorber and Filter

open access: yesAdvanced Science, EarlyView.
Schematic diagram of wavelength‐tunable pulsed laser based on metafiber‐FP (Fabry‐Perot). The alcohol solution is filled inside the FP cavity to simultaneously form a spectral filter and a saturable absorber. By adjusting the refractive index value and temperature inside the cavity, the tunable filtering effect is introduced to realize wavelength ...
Bo Fu   +8 more
wiley   +1 more source

Lithium and Vanadium Intercalation into Bilayer V2Se2O: Ferrimagnetic–Ferroelastic Multiferroics and Anomalous and Spin Transport

open access: yesAdvanced Science, EarlyView.
Li‐ and V‐intercalated V2Se2O bilayers possess intralayer ferrimagnetic and interlayer ferromagnetic orders, alongside ferroelasticity, in‐plane uniaxial magnetic anisotropy, half‐metal/enhanced spin splitting, the anomalous Hall effect, giant magnetoresistance, tunneling magnetoresistance, near‐perfect spin filtering effect, spin Seebeck effect, and ...
Long Zhang   +7 more
wiley   +1 more source

Surfing Alone? The Internet and Social Capital: Evidence from an Unforeseeable Technological Mistake [PDF]

open access: yes
Does the Internet undermine social capital or facilitate inter-personal and civic engagement in the real world? Merging unique telecommunication data with geo-coded German individual-level data, we investigate how broadband Internet affects several ...
Ludger Woessmann   +2 more
core  

Electrically and Geometrically Tunable Photon Pair Entanglement from Ferroelectric Nematic Liquid Crystal

open access: yesAdvanced Science, EarlyView.
By exploiting the strong nonlinear optical response and controllable molecular ordering of ferroelectric nematic liquid crystals (FNLCs), these materials can serve as tunable sources of polarization‐entangled photons. Adjusting the sample geometry or applying an external electric field enables continuous control of the entanglement degree, advancing ...
Sara Klopčič   +3 more
wiley   +1 more source

Ultrafast Nonlinear Dynamics of Indium Tin Oxide Nanocrystals Probed via Fieldoscopy

open access: yesAdvanced Science, EarlyView.
The ultrafast nonlinear dynamics of indium tin oxide nanocrystals excited with 1 MHz, 10 fs pulses, at their localized surface plasmon frequency, and near their epsilon‐near‐zero wavelength is probed via fieldoscopy. The study demonstrates fluence‐dependent switching behavior, advancing the understanding of high‐speed optical modulation in plasmonic ...
Andreas Herbst   +10 more
wiley   +1 more source

Deploiment of the national research and educational network “URAN” in the frame of the state program “information and connunication technology in education and science” for 2006-2010.

open access: yesÌнформаційні технології в освіті, 2009
It is shown results of connection of universities and scientific institutions to URAN network including optic fibers deployment in Ukrainian cities and URAN-GEANT 10 Gbps. It is discussed also means of providing of uninterruptable service to metropolitan
V.G. Galagan   +4 more
doaj  

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